(19)

(11)

EP 0 122 930 A1

(12)

(43) Date of publication: 31.10.1984 Bulletin 1984/44 (21) Application number: 83903426.0 (22) Date of filing: 20.10.1983

(51) International Patent Classification (IPC):  G11B 23/ 04( . ) (86) International application number: PCT/SE1983/000356 (87) International publication number: WO 1984/001657 (26.04.1984 Gazette 1984/11)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL (30) Priority: 22.10.1982 SE 19820006004 (71) Applicant: BEHRENDTZ, Mickey S-590 20 Mantorp (SE)	(72) Inventor: BEHRENDTZ, Mickey S-590 20 Mantorp (SE) (74) Representative: Willquist, Bo Lorentz  PATS Willquist Patents S:t Larsgatan 23 S-582 24 Linköping S-582 24 Linköping (SE)